/*
 * yocef - Developer's guide
 *
 * Copyright (c) 2009, Yves Cuillerdier
 * All rights reserved.
 * 
 * This software is licensed under the new BSD License:
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution.
 * 
 * Neither the name of the author nor the names of its contributors may 
 * be used to endorse or promote products derived from this software without 
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * @version 0.1.1
 */

package yocef.devguide.client;

import yocef.client.Event;
import yocef.client.EventAction;
import yocef.client.EventContext;
import yocef.client.EventParams;

import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;

/**
 * 
 */
@SuppressWarnings("nls")
public class RegisteringController implements EventAction {

	/** The application logic */
	@Override
	public boolean handle(final Event event, final Object source,
			final EventContext context, final EventParams params) {
		final RegisteringView view = (RegisteringView) context.get("view");
		/* ID and PWD validity rules */
		if (event == Event.get("textChanged")) {
			if (source instanceof PasswordTextBox) {
				/* Password strength */
				final TextBox pwdBox = view.getPwdTextBox();
				final int l = pwdBox.getText().length();
				if (l < 5) {
					view.setPwdMessage("<span style='color:red'>Weak password!</span>");
				} else if (l > 7) {
					view.setPwdMessage("<span style='color:green'>Strong password!</span>");
				} else {
					view.setPwdMessage(null);
				}
			} else {
				/* Id availability */
				final TextBox idBox = view.getIdTextBox();
				final RegisteringModel model = (RegisteringModel) context
						.get("model");
				model.isIdAvailable(idBox.getText());
			}
		}

		/* The submit logic */
		if (event == Event.get("click")) {
			boolean ok = true;
			// Check ID
			if (view.getIdTextBox().getText().equals("")) {
				view.setIdMessage("<span style='color:red'>ID is required</span>");
				ok = false;
			} else {
				view.setIdMessage(null);
			}
			// Check pwd
			if (view.getPwdTextBox().getText().equals("")) {
				view.setPwdMessage("<span style='color:red'>Password is required</span>");
				ok = false;
			} else {
				view.setPwdMessage(null);
			}
			// if OK submit
			if (ok) {
				Window.alert("Clicked !!!");
			}
			return true;
		}

		/* ID availability */
		if (event == Event.get("idTested")) {
			final String id = params.getAsString("id");
			if (view.getIdTextBox().getText().equals(id)) {
				// Answer was sufficiently fast
				if (params.getAsBoolean("exists")) {
					view.setIdMessage("<span style='color:red'>id \"" + id
							+ "\" is not available</span>");
				} else {
					view.setIdMessage(null);
				}
			}
			return true;
		}
		return false;
	}
}
